Question: When did Cha Bum-kun leave Bayer 04 Leverkusen?
Paraphrase: On what date did Cha Bum-kun cease his membership with Bayer 04 Leverkusen?
SPARQL (Wikidata): SELECT ?value WHERE { wd:Q346751 p:P54 ?s . ?s ps:P54 wd:Q104761 . ?s pq:P582 ?value}